-al -er a-a a-b a-i aaa aab aae aaf aai aak aal aar aas ab- aba abb abe abf abi abk abl abr abs aea aeb aee aef aei aek ael aer aes af- afa afb afe aff afi afk afl afr afs ai- aia aib aie aif aii aik ail air ais aka akb ake aki akk akl akr aks al- ala alb ale alf ali alk all alr als ar- ara arb are arf ari ark arl arr ars as- asa asb ase asf asi ask asl asr ass baa bab bae baf bai bak bal bar bas bba bbb bbe bbf bbi bbk bbl bbr bbs be- bea beb bee bef bei bek bel ber bes bfa bfb bfe bff bfi bfl bfr bfs bi- bia bib bie bif bii bik bil bir bis bka bkb bke bkf bkk bkl bkr bks bla blb ble blf bli blk bll blr bls bra brb bre brf bri brk brl brr brs bsa bsb bse bsf bsi bsk bsl bsr bss eaa eab eae eaf eai eak eal ear eas eba ebb ebe ebf ebi ebk ebl ebr ebs eea eeb eee eef eek eel eer ees ef- efa efb efe eff efi efl efr efs eia eib eie eif eii eik eil eir eis eka ekb eke ekf eki ekl ekr eks ela elb ele elf eli elk ell elr els era erb ere erf eri erk erl err ers es- esa esb ese esf esi esk esl esr ess faa fab fae faf fai fak fal far fas fba fbb fbe fbf fbi fbk fbl fbr fbs fea feb fee fef fei fek fel fer fes ffa ffe fff ffi ffk ffl ffr ffs fia fib fie fif fii fik fil fir fis fka fkb fkf fki fkk fkl fla flb fle flf fli fll flr fls fra frb fre frf fri frk frl frr frs fsa fsb fse fsf fsi fsk fsl fsr fss i-f ia- iaa iab iae iaf iai ial iar ias iba ibb ibe ibf ibi ibk ibl ibr ibs ie- iea iee ief iei iek iel ier ies ifa ifb ife iff ifi ifl ifr ifs iia iib iie iif iii iil iir iis ika ikb ike ikf iki ikk ikl ikr iks il- ila ilb ile ilf ili ilk ill ilr ils ir- ira irb ire irf iri irk irl irr irs is- isa isb ise isf isi isk isl isr iss ka- kaa kab kae kaf kai kak kal kar kas kba kbb kbe kbf kbi kbk kbl kbr kbs ke- kea keb kee kef kei kek kel ker kes kfa kff kfi kfs kia kib kie kif kii kik kil kir kis kkb kke kki kkk kkl kkr kks kl- kla klb klf kli klr kls kra krf kri krk krl krr krs ksa ksb kse ksf ksi ksk ksl ksr kss la- laa lab lae laf lai lak lal lar las lba lbb lbe lbf lbi lbk lbl lbr lbs lea leb lee lef lei lek lel ler les lfa lfb lfe lff lfi lfk lfl lfr lfs lia lib lie lif lii lik lil lir lis lka lkb lkl lkr lks lla llb lle llf lli llk lll llr lls lra lrb lrf lri lrk lrr lrs lsa lsb lse lsf lsi lsk lsl lsr lss ra- raa rab rae raf rai rak ral rar ras rba rbb rbe rbf rbi rbk rbl rbr rbs re- rea reb ree ref rei rek rel rer res rfa rfb rfe rff rfi rfk rfl rfr rfs ria rib rie rif rii rik ril rir ris rkb rke rkf rkk rks rla rle rlf rli rll rlr rls rra rrb rrf rri rrk rrl rrr rrs rsa rsb rse rsf rsi rsk rsl rsr rss saa sab sae saf sai sak sal sar sas sba sbb sbe sbf sbi sbk sbl sbr sbs se- sea seb see sef sei sek sel ser ses sfa sfb sfe sff sfi sfk sfl sfr sfs sia sib sie sif sii sik sil sir sis sk- ska skb ske skf ski skk skl skr sks sla slb sle slf sli slk sll slr sls sr- sra srb sre srf sri srk srl srr srs ss- ssa ssb sse ssf ssi ssk ssl ssr sss

-ase a-ak a-be a-ii aaaa aaab aaae aaaf aaai aaal aaar aaas aaba aabb aabi aabl aaea aaes aafa aafb aaff aafi aafl aaib aaii aais aaka aake aala aale aali aall aals aara aare aari aars aasa aase aasf aasi aass abaa abab abae abaf abai abak abal abar abas abb- abba abbb abbe abbi abbr abbs abee abel aber abes abff abia abib abie abil abir abis abla able abls abra abri abrs abs- absa abse absf absi absl abss aeaf aeas aebi aebs aeer aeka aela aer- aera aeri aers aess afaa afak afar afbs afee afek afel afer afes affa affi affs afia afib afif afik afil afir afis afka afkr afla afle afr- afra afre afri afrs afsa afsb aiai aias aiba aibl aiea aiee aiel aiff aifl aifs aiia aiib aiir aika aike aiki aiks aila aile aili ails aira aire airi airs aisa aisb aise aisi aisk aisl aisr akaa akae akai akal akar akas akee akel aker akes akia akie akif akik akil akir akis akka akki akle akr- akra akre aksa aksi alaa alae alai alak alal alar alas alb- alba albe albi albs alea alee alef alek aler ales alfa alfe alfi alfs ali- alia alib alie alif alii alik alil alir alis alk- alka alkb alke alki all- alla alle alli alll allr alls alsa alse arab arae araf arai arak aral arar aras arba arbe arbi arbs area aree aref arei arek arel ares arfa arfb arff arfs aria arib arie arif arii arik aril aris arka arke arki arks arla arle arli arr- arra arre arri arrk arrr arrs ars- arsa arse arsi arsk asaa asab asae